| Castricum to Santander | 738.86 mi (1,189.08 km) |
| Castricum to Santany | 914.68 mi (1,472.03 km) |
| Castricum to Santiago de Compostela | 904.84 mi (1,456.20 km) |
| Castricum to Santiago del Teide | 2,004.35 mi (3,225.70 km) |
| Castricum to Santiponce | 1,165.20 mi (1,875.21 km) |
| Castricum to Santomera | 1,038.04 mi (1,670.57 km) |
| Castricum to Santona | 731.88 mi (1,177.84 km) |
| Castricum to Santurce-Antiguo | 728.95 mi (1,173.13 km) |
| Castricum to Sarria | 875.97 mi (1,409.73 km) |
| Castricum to Sauzal | 1,982.50 mi (3,190.53 km) |
| Castricum to Sedavi | 937.99 mi (1,509.54 km) |
| Castricum to Segorbe | 910.75 mi (1,465.71 km) |
| Castricum to Segovia | 901.54 mi (1,450.89 km) |
| Castricum to Senmanat | 765.17 mi (1,231.43 km) |
| Castricum to Sesena | 946.56 mi (1,523.34 km) |
